CMake Error at CMP0023-NEW-2.cmake:11 \(target_link_libraries\):
  The plain signature for target_link_libraries has already been used with
  the target "foo".  All uses of target_link_libraries with a target must be
  either all-keyword or all-plain.

  The uses of the plain signature are here:

   \* CMP0023-NEW-2.cmake:10 \(target_link_libraries\)

Call Stack \(most recent call first\):
  CMakeLists\.txt:[0-9]+ \(include\)
